```html
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    <title>Redisson分布式锁实现解析 | 技术小馆</title>
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            <div class="w-24 h-24 bg-white rounded-full flex items-center justify-center mb-6 shadow-lg">
                <i class="fas fa-lock-open text-5xl lock-icon"></i>
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            <h1 class="text-4xl md:text-5xl font-bold mb-6 serif">Redisson分布式锁实现解析</h1>
            <p class="text-xl md:text-2xl max-w-3xl leading-relaxed opacity-90">
                深入探索Redisson如何实现高性能分布式锁，以及其背后精妙的设计原理
            </p>
            <div class="mt-12">
                <a href="#content" class="inline-flex items-center px-6 py-3 bg-white text-indigo-700 font-medium rounded-full transition-all hover:bg-opacity-90 hover:shadow-lg">
                    <span>探索实现原理</span>
                    <i class="fas fa-arrow-down ml-2"></i>
                </a>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main id="content" class="container mx-auto max-w-5xl px-4 py-16">
        <!-- Introduction -->
        <section class="mb-16">
            <div class="prose prose-lg max-w-none">
                <p class="drop-cap">在分布式系统中，锁是实现资源共享和并发控制的重要机制。Redisson作为Redis Java客户端中的佼佼者，提供了一系列分布式锁的实现方案，既保证了高性能，又具备完善的可靠性保障。</p>
                <p>本文将深入分析Redisson中分布式锁的核心实现机制，包括SETNX+Lua脚本、看门狗机制等关键技术，同时介绍Redisson提供的多种锁类型及其适用场景。</p>
            </div>
        </section>

        <!-- Core Implementation -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-8 serif text-indigo-800 flex items-center">
                <i class="fas fa-cogs mr-3"></i>
                <span>核心实现机制</span>
            </h2>

            <div class="grid md:grid-cols-2 gap-8">
                <!-- Card 1 -->
                <div class="bg-white rounded-xl shadow-md overflow-hidden transition-all card-hover">
                    <div class="p-8">
                        <div class="flex items-center mb-4">
                            <div class="w-12 h-12 rounded-full bg-indigo-100 flex items-center justify-center mr-4">
                                <i class="fas fa-code text-indigo-600 text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">SETNX + Lua脚本</h3>
                        </div>
                        <div class="text-gray-600">
                            <p>Redisson利用Redis的SETNX命令配合Lua脚本实现原子性的加锁操作。Lua脚本保证了加锁和设置过期时间的原子性，避免了因客户端崩溃导致的死锁问题。</p>
                            <p class="mt-4 font-medium">关键代码逻辑：</p>
                            <pre class="bg-gray-100 p-4 rounded-lg mt-2 text-sm overflow-x-auto">if (redis.call('setnx', KEYS[1], ARGV[1]) == 1) then
    redis.call('pexpire', KEYS[1], ARGV[2])
    return 1
else
    return 0
end</pre>
                        </div>
                    </div>
                </div>

                <!-- Card 2 -->
                <div class="bg-white rounded-xl shadow-md overflow-hidden transition-all card-hover">
                    <div class="p-8">
                        <div class="flex items-center mb-4">
                            <div class="w-12 h-12 rounded-full bg-purple-100 flex items-center justify-center mr-4">
                                <i class="fas fa-clock text-purple-600 text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">看门狗机制</h3>
                        </div>
                        <div class="text-gray-600">
                            <p>Redisson实现了看门狗(Watchdog)机制来延长锁的有效期，防止业务执行时间超过锁的初始过期时间导致锁提前释放。</p>
                            <ul class="mt-4 space-y-2">
                                <li><i class="fas fa-check-circle text-green-500 mr-2"></i>默认每10秒检查一次锁状态</li>
                                <li><i class="fas fa-check-circle text-green-500 mr-2"></i>如果线程仍持有锁，则延长过期时间</li>
                                <li><i class="fas fa-check-circle text-green-500 mr-2"></i>客户端崩溃时自动释放锁</li>
                            </ul>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Lock Types -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-8 serif text-indigo-800 flex items-center">
                <i class="fas fa-lock mr-3"></i>
                <span>Redisson提供的锁类型</span>
            </h2>

            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
                <!-- 可重入锁 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-indigo-600 mb-4">
                        <i class="fas fa-redo-alt text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">可重入锁(Reentrant Lock)</h3>
                    <p class="text-gray-600">支持同一线程多次获取同一把锁，避免死锁。最常见且实用的分布式锁实现。</p>
                </div>

                <!-- 公平锁 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-purple-600 mb-4">
                        <i class="fas fa-balance-scale text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">公平锁(Fair Lock)</h3>
                    <p class="text-gray-600">按照线程请求锁的顺序获取锁，避免了线程饥饿现象。</p>
                </div>

                <!-- 联锁 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-blue-600 mb-4">
                        <i class="fas fa-link text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">联锁(MultiLock)</h3>
                    <p class="text-gray-600">将多个锁合并为一个锁，所有锁都成功获取才算加锁成功。</p>
                </div>

                <!-- 红锁 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-red-600 mb-4">
                        <i class="fas fa-shield-alt text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">红锁(RedLock)</h3>
                    <p class="text-gray-600">基于多个独立Redis实例实现的分布式锁算法，提供更高的可靠性。</p>
                </div>

                <!-- 读写锁 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-green-600 mb-4">
                        <i class="fas fa-book-reader text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">读写锁(ReadWriteLock)</h3>
                    <p class="text-gray-600">允许多个读操作并发执行，但写操作是独占的。</p>
                </div>

                <!-- 信号量 -->
                <div class="bg-white p-6 rounded-lg shadow-sm border border-gray-100 transition-all hover:border-indigo-200 card-hover">
                    <div class="text-yellow-600 mb-4">
                        <i class="fas fa-traffic-light text-3xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-2 text-gray-800">信号量(Semaphore)</h3>
                    <p class="text-gray-600">限制同时访问共享资源的线程数量。</p>
                </div>
            </div>
        </section>

        <!-- Visualization -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-8 serif text-indigo-800 flex items-center">
                <i class="fas fa-project-diagram mr-3"></i>
                <span>Redisson锁机制关系图</span>
            </h2>

            <div class="bg-white p-6 rounded-xl shadow-md">
                <div class="mermaid">
                    graph TD
                        A[Redisson分布式锁] --> B[可重入锁]
                        A --> C[公平锁]
                        A --> D[联锁]
                        A --> E[红锁]
                        A --> F[读写锁]
                        A --> G[信号量]
                        B --> H[SETNX+Lua]
                        B --> I[看门狗机制]
                        C --> H
                        C --> I
                        D --> H
                        D --> I
                        E --> J[多实例]
                        E --> K[多数派]
                        F --> L[读锁]
                        F --> M[写锁]
                        G --> N[计数器]
                </div>
            </div>
        </section>

        <!-- Best Practices -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-6 serif text-indigo-800 flex items-center">
                <i class="fas fa-lightbulb mr-3"></i>
                <span>最佳实践建议</span>
            </h2>

            <div class="bg-indigo-50 border-l-4 border-indigo-500 p-6 rounded-r-lg">
                <div class="flex">
                    <div class="flex-shrink-0">
                        <i class="fas fa-info-circle text-indigo-500 text-2xl"></i>
                    </div>
                    <div class="ml-4">
                        <ul class="space-y-3 text-gray-700">
                            <li class="flex items-start">
                                <i class="fas fa-check text-indigo-500 mt-1 mr-2"></i>
                                <span>根据业务场景选择合适的锁类型，大多数情况下可重入锁已经足够</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check text-indigo-500 mt-1 mr-2"></i>
                                <span>设置合理的锁超时时间，避免业务未完成锁已过期</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check text-indigo-500 mt-1 mr-2"></i>
                                <span>对关键业务考虑使用红锁提高可靠性</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check text-indigo-500 mt-1 mr-2"></i>
                                <span>确保业务代码在finally块中释放锁</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check text-indigo-500 mt-1 mr-2"></i>
                                <span>避免持有锁时执行耗时操作</span>
                            </li>
                        </ul>
                    </div>
                </div>
            </div>
        </section>
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```